Majuro Atoll Climate

Last updated: January 18, 2025

Majuro Atoll, situated within the idyllic Marshall Islands, experiences a tropical rainforest climate classified as Köppen-Geiger Af. This climate is characterized by consistently warm temperatures throughout the year, with a minimum of 25°C (77°F) peaking in April and reaching an average of 27°C (81°F). The warmest month is September, where temperatures can soar to a maximum of 30°C (85°F). The combination of high humidity and abundant rainfall contributes to the region’s lush vegetation and vibrant ecosystems, making Majuro a unique climatic locality worth studying.

Majuro Atoll temperature by month

In Majuro Atoll, Marshall Islands, temperature patterns exhibit remarkable consistency throughout the year, reflecting its tropical climate. Monthly minima hover around 25°C (77–78°F), while the average temperature remains steady at 27°C (81°F) except for slight increases in September and October to 82°F. Maximum temperatures typically peak at 29°C (84–85°F), with September being the warmest month as it reaches 30°C (85°F). Notably, there are no significant seasonal fluctuations, creating a warm and stable environment that characterizes both the wet and dry seasons. This stability in temperature contributes to the overall lushness and biodiversity of the region.

Monthly Temperatures in Majuro Atoll, Marshall Islands

The chart illustrates Majuro Atoll's temperature patterns throughout the year, with values aggregated from various locations across the region. It highlights seasonal variations and temperature changes across the months.
JanFebMarAprMayJunJulAugSepOctNovDec818181818181818181818181
Data source: Majuro Atoll temperature data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

In Majuro, the temperatures in April average a minimum of 25°C (77°F) and reach a maximum of 30°C (85°F) in September. For more detailed information, you can refer to the monthly temperatures in Majuro here.

Precipitation Patterns in Majuro Atoll

Majuro Atoll experiences a tropical climate marked by significant precipitation throughout the year. The rainfall varies considerably by month, with May leading as the wettest month, recording 416 mm (16.4 in) and an average of 29 rainy days. Other notable months of heavy rainfall include March and December, with 287 mm (11.3 in) and 414 mm (16.3 in), respectively. This variation in rainfall underscores the region's monsoonal patterns, profoundly influencing its lush vegetation and vibrant ecosystems.

Throughout the year, the total number of rainy days remains relatively high, ranging from 19 days in February to 29 days in May. This consistent precipitation contributes to the formation of a humid environment, characteristic of the Pacific island climate. Even during the driest months, such as February with 157 mm (6.2 in), the frequent occurrence of rain reflects the atoll's tropical nature. Overall, Majuro's climate is defined by its moist conditions, with ample rainfall that supports rich biodiversity and a variety of habitats across the region.

Monthly Average Precipitation in Majuro Atoll, Marshall Islands

The average monthly precipitation in Majuro Atoll, providing insights into seasonal rainfall patterns and the region's precipitation trends throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec230157287243416291296275309302307414
Data source: Majuro Atoll precipitation data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.
Choose your preferred precipitation unit

Sunshine Duration in Majuro Atoll

In Majuro Atoll, the duration of sunshine reveals distinct seasonal trends, with hours gradually increasing as the year progresses. Starting at 222 hours in January, the amount of sunshine steadily climbs, peaking in August with an impressive 299 hours. This bright summer period not only enhances the island's natural beauty but also supports outdoor activities and tourism. The months of June and July also showcase substantial sunlight, with 286 hours and 294 hours, respectively, creating a summer environment that is both inviting and vibrant.

As the year begins to transition into the cooler months, sunshine hours do experience a decrease. After August's peak, November witnesses the most notable decline to 251 hours, indicating a shift towards cloudier and less sunny conditions. However, even during this reduction, the amount of sunshine remains relatively generous compared to winter averages in many other regions. Overall, Majuro Atoll enjoys a sunny tropical climate, where each passing month offers ample sunlight, particularly during the mid-year peak, fostering a bright and lively atmosphere conducive to the island's flourishing ecosystems and communities.

Monthly Sunshine in Majuro Atoll, Marshall Islands

Monthly sunshine duration represents the total hours of direct sunlight Majuro Atoll receives each month, excluding periods when the sun is obscured by clouds or other obstructions.
JanFebMarAprMayJunJulAugSepOctNovDec222h264h291h280h281h286h294h299h279h276h251h265h
Data source: Majuro Atoll sunshine duration data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

Majuro Atoll UV Index Trends

Majuro Atoll in the Marshall Islands is characterized by an exceptionally high UV Index, consistently categorized as "extreme" across all months of the year. The UV Index peaks in March and April at 16, indicating a critical need for sun protection, as skin can burn within just 10 minutes of unprotected exposure. This intense UV radiation is a significant factor for residents and visitors alike, necessitating precautions such as sunscreen application and protective clothing to mitigate the risks of skin damage and potential long-term effects.

As the year progresses, the UV Index maintains its elevated levels, typically ranging from 11 to 16. While there is a slight decline in November and December, with indices of 12 and 11, the persistent extreme ratings highlight the importance of sun safety year-round. Even in the cooler months, the need for vigilance remains critical, reinforcing the significance of awareness regarding UV exposure in this tropical paradise. This consistent threat from the sun underscores the importance of educational initiatives focused on sun protection in the region.

Monthly Maximum UV Index for Majuro Atoll, Marshall Islands

The monthly maximum UV Index (UVI) represents the highest UV radiation level recorded each month in Majuro Atoll. It measures the strength of ultraviolet radiation from the sun and helps assess the risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec131416161513131414131211
Data source: Majuro Atoll UV Index data aggregated from multiple regional locations, generated using Copernicus Climate Change Service information.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

Daylight Hours in Majuro Atoll

Majuro Atoll enjoys a relatively consistent pattern of daylight duration throughout the year, which reflects its equatorial location. In the initial months of January and February, the island experiences 11 hours of daylight, providing a stable environment for daily activities. As the year transitions into the spring months of March through June, daylight increases to 12 hours, contributing to an uplifting atmosphere ideal for outdoor pursuits and community engagement. This consistent availability of daylight is advantageous for both local ecosystems and the livelihoods reliant on tourism and agriculture.

As the year progresses into the latter months, daylight duration gradually shifts back to 11 hours in October, November, and December. This slight decrease signifies the seasonal transitions but remains relatively mild compared to the dramatic changes observed in higher latitude regions. The steady availability of daylight throughout the year enhances the overall quality of life in Majuro Atoll, fostering a vibrant environment that thrives on a blend of natural beauty and cultural richness, while also promoting the well-being of its inhabitants.

Average Monthly Daylight Hours in Majuro Atoll, Marshall Islands

This chart shows the total daylight hours Majuro Atoll receives each month, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec704h713h724h735h745h750h748h739h728h716h707h702h
Data source: Majuro Atoll daylight hours, calculated based on aggregated data for various regional locations, determined by the times between sunrise and sunset.

Climate Highlights of Majuro Atoll's Popular Destinations

Majuro, the capital of the Marshall Islands, experiences a tropical climate characterized by warm temperatures and significant rainfall throughout the year. Average temperatures consistently hover around 27°C (81°F), with highs reaching up to 30°C (85°F) in September, while nighttime lows remain around 25°C (78°F). Precipitation is highest in May and December, with around 416 mm (16.4 in) and 414 mm (16.3 in) respectively. Despite the rainfall, the island enjoys ample sunshine, particularly in the drier months from February to August, when daily sun hours range from 264 to 299. For more information, visit Majuro climate.

Conclusion

In conclusion, Majuro Atoll, Marshall Islands, showcases a unique climatic profile characterized by consistently warm temperatures, significant rainfall, high UV exposure, and stable daylight duration. The tropical rainforest climate fosters lush landscapes and vibrant ecosystems, while the extensive sunshine and high UV Index underscore the importance of sun safety and outdoor activity awareness. Although seasonal variations exist, particularly in precipitation and daylight hours, the overall environmental conditions remain conducive to a rich biodiversity and a thriving community life. This combination of climatic elements not only defines daily life on the atoll but also highlights the need for sustainable practices to preserve its natural beauty and ecological integrity for future generations.

Discover the Climate of Majuro Atoll's Places

M